Home / 791,153.35-1,091,794.98-428,577.21

Finding the Fourth Proportional to 791,153.35, 1,091,794.98 and 428,577.21

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Solution

The fourth proportional to 791,153.35, 1,091,794.98 and 428,577.21 is: 591,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,153.35 : 1,091,794.98 = 428,577.21 : x
  2. Step 2: Convert to fraction form
    791,153.35/1,091,794.98 = 428,577.21/x
  3. Step 3: Cross multiply
    791,153.35x = 1,091,794.98 × 428,577.21
  4. Step 4: Simplify right side
    791,153.35x = 467,918,444,411.45
  5. Step 5: Solve for x
    x = 467,918,444,411.45/791,153.35
  6. Step 6: Final answer
    x = 591,438.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.